def _validate_inline_event_variable_for_update()

in aws-frauddetector-eventtype/src/aws_frauddetector_eventtype/helpers/update_worker_helpers.py [0:0]

• 33 lines of code
• 12 McCabe index (conditional complexity)

def _validate_inline_event_variable_for_update(afd_client, event_variable, previous_variables):
    if not event_variable.Name:
        raise exceptions.InvalidRequest("Error occurred: inline event variables must include Name!")

    # TODO: update this logic if we support in-place Teardown
    #       This difference would require teardown if we were to support it

    # check for differences in dataSource or dataType
    differences = {}
    previous_variable = previous_variables.get(event_variable.Name, None)
    if previous_variable:
        differences = validation_helpers.check_variable_differences(previous_variable, event_variable)
    if differences["dataSource"] or differences["dataType"]:
        raise exceptions.InvalidRequest("Error occurred: cannot update event variable data source or data type!")

    if not previous_variable:
        # create inline variable that does not already exist
        common_helpers.create_inline_event_variable(frauddetector_client=afd_client, event_variable=event_variable)
    else:
        # get existing variable to get arn. Arn is readonly property, so it will not be attached to input model
        (
            get_variables_worked,
            get_variables_response,
        ) = validation_helpers.check_if_get_variables_succeeds(afd_client, event_variable.Name)
        if not get_variables_worked:
            raise RuntimeError(f"Previously existing event variable {event_variable.Name} no longer exists!")
        event_variable.Arn = get_variables_response.get("variables")[0].get("arn")
        # update existing inline variable
        if hasattr(event_variable, "Tags"):
            common_helpers.update_tags(
                frauddetector_client=afd_client,
                afd_resource_arn=event_variable.Arn,
                new_tags=event_variable.Tags,
            )
        var_type = [None, event_variable.VariableType][event_variable.VariableType != previous_variable.VariableType]
        api_helpers.call_update_variable(
            variable_name=event_variable.Name,
            frauddetector_client=afd_client,
            variable_default_value=event_variable.DefaultValue,
            variable_description=event_variable.Description,
            variable_type=var_type,
        )